CN219924474U

CN219924474U - Low-nitrogen phenol modified hot core box resin mold

Info

Publication number: CN219924474U
Application number: CN202320369612.2U
Authority: CN
Inventors: 冯权
Original assignee: Tianjin Kasiting Technology Development Co ltd
Current assignee: Tianjin Kasiting Technology Development Co ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-10-31
Anticipated expiration: 2033-03-02

Abstract

The utility model belongs to the technical field of hot core box molds, and particularly relates to a low-nitrogen phenol modified hot core box resin mold which comprises a lower mold base, wherein an upper mold base is arranged above the lower mold base, a core box is arranged inside the upper mold base, a hollowed-out layer is arranged at one time of the upper mold base, a processing seat is arranged above the upper mold base, a notch is arranged at the inner side of the processing seat, a machined part is arranged at one time of the notch, a threaded hole is formed in the outer surface wall of the processing seat, a firm block is arranged inside the lower mold base, and an embedded block is arranged above the firm block; according to the utility model, the upper die holder, the lower die holder, the hollow layers, the embedded blocks and the embedded grooves are arranged, when the two groups of die holders are connected, the two hollow layers are shared, the embedded blocks on the lower die holder are embedded into the embedded grooves on the upper die holder, so that the contact area between the upper die holder and the lower die holder is reduced, the die deformation is reduced, and the forming efficiency of the sand core is not affected.

Description

Low-nitrogen phenol modified hot core box resin mold

Technical Field

The utility model relates to the technical field of hot core box molds, in particular to a low-nitrogen phenol modified hot core box resin mold.

Background

The utility model relates to a hot core box core making process, which comprises the steps of adding a proper amount of furan resin binder box curing accelerator into raw sand, injecting the mixed resin sand into a metal core box or a mould with required temperature, and under the thermal effect of the core box and the catalysis effect of the curing agent, the resin is crosslinked into a body structure by a linear structure to harden and manufacture a sand core; the inventors consider that the above-mentioned patent has the following drawbacks; this hot core box mould adopts electric drill or drilling machine to realize the drilling to the mould, and the exhaust nature is relatively poor compared with traditional hot core box mould, still can appear exhausting bad phenomenon, and mould area of contact is great, and the deformation phenomenon can appear in the mould.

The prior art has the following problems:

1. the existing hot core box die adopts an electric drill or a drilling machine to drill the die, and compared with the traditional hot core box die, the existing hot core box die has relatively poor air exhaust performance and can also have poor air exhaust phenomenon;

2. the contact area of the upper die seat and the lower die seat of the existing hot core box die is large, the die can increase deformation phenomenon, and then the molding efficiency of the sand core can be affected.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a low-nitrogen phenol modified hot core box resin mold, which solves the problem of poor air exhaust of the existing hot core box mold.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a low-nitrogen phenol modified hot core box resin mold, includes the die holder, the die holder top is provided with the upper die base, the inside of upper die base is provided with the core box, and the once of upper die base is provided with the fretwork layer, the top of upper die base is provided with the processing seat, the inboard of processing seat is provided with the notch, the once of notch is provided with the machined part, threaded hole has been seted up to the exterior wall of processing seat, the inside of die holder is provided with firm piece, firm piece's top is provided with the embedded block, the indent has been seted up to the top of embedded block.

As a preferable technical scheme of the utility model, the lower die holder and the upper die holder can realize sand core molding, and the size of the lower die holder is matched with that of the upper die holder.

As a preferable technical scheme of the utility model, the size of the two groups of hollowed-out layers is consistent, and the lower die base and the upper die base share the hollowed-out layers.

As a preferable technical scheme of the utility model, the distance between each group of the workpieces is consistent, and the notch is fixedly connected with the processing seat.

As a preferable technical scheme of the utility model, the inner side of the workpiece is provided with the interface, the outer surface wall of the workpiece is provided with the exhaust port, and the exhaust port penetrates through the workpiece and is connected with the core box.

As a preferred technical solution of the present utility model, the size of the threaded hole is adapted to an external processing device.

As a preferable technical scheme of the utility model, the size of the embedded groove is matched with the size of the embedded block, and the embedded groove is connected with the embedded block in a clamping way.

Compared with the prior art, the utility model provides the low-nitrogen phenol modified hot core box resin mold which has the following beneficial effects:

1. this low-nitrogen phenol modified hot core box resin mold through setting up upper die base, die holder and machined part, the same machined part of multiunit interval carries out shaping work, in the sand material that will mix into is penetrated into the core box that has heating device, the gas vent that sets up is discharged to the interior psammitolite of core box, and overall structure is simple, and the exhaust nature is good, can not appear exhausting bad phenomenon.

2. This low-nitrogen phenol modified hot core box resin mold through setting up upper die base, die holder, fretwork layer, embedded block and interior caulking groove, when two sets of die holders are connected, shares two fretwork layers, and the embedded block on the die holder is embedded in the interior caulking groove on the upper die base, has reduced the area of contact of upper die base and die holder, has reduced the mould and has warp, can not influence the shaping efficiency of psammitolite.

Drawings

FIG. 1 is a schematic plan view of the present utility model;

FIG. 2 is a schematic diagram of an upper die holder according to the present utility model;

FIG. 3 is a schematic view of the structure of a workpiece according to the utility model;

fig. 4 is an enlarged schematic view of the structure of the portion a of the present utility model.

In the figure: 1. a lower die holder; 2. an upper die holder; 3. a core box; 4. routing the layer; 5. a processing seat; 6. a notch; 7. a work piece; 71. an interface; 72. an exhaust port; 8. a threaded hole; 9. a firm block; 10. an embedded block; 11. and (5) embedding grooves.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, in the present embodiment: the utility model provides a low-nitrogen phenol modified hot core box resin mold, including die holder 1, die holder 1 top is provided with upper die holder 2, die holder 1 and upper die holder 2 are used for hot core box resin molding, the inside of upper die holder 2 is provided with core box 3, and the once of upper die holder 2 is provided with fretwork layer 4, the top of upper die holder 2 is provided with processing seat 5, the inboard of processing seat 5 is provided with notch 6, once of notch 6 is provided with machined part 7, machined part 7 carries out the machine-shaping to the psammitolite in the core box 3, threaded hole 8 has been seted up to the outer surface wall of processing seat 5, threaded hole 8 is used for connecting external equipment, the inside of die holder 1 is provided with firm piece 9, the top of firm piece 9 is provided with embedded block 10, embedded block 11 has been seted up to the top of embedded block 10, embedded block 10 and embedded groove 11 are used for fixed die holder 1 and upper die holder 2.

In the embodiment, the lower die holder 1 and the upper die holder 2 can both realize sand core molding, and the size of the lower die holder 1 is matched with that of the upper die holder 2, so that the hot core box resin molding can be facilitated by arranging the lower die holder 1 and the upper die holder 2; the two groups of hollowed-out layers 4 are identical in size, the hollowed-out layers 4 are shared by the lower die holder 1 and the upper die holder 2, and the contact area of the lower die holder 1 and the upper die holder 2 can be reduced by arranging the hollowed-out layers 4; the distance between each group of workpieces 7 is consistent, the notch 6 is fixedly connected with the processing seat 5, and the workpieces 7 can be conveniently operated by arranging the notch 6; the inner side of the workpiece 7 is provided with a joint 71, the outer surface wall of the workpiece 7 is provided with an exhaust port 72, the exhaust port 72 penetrates through the workpiece 7 and is connected with the core box 3, and the exhaust port 72 is arranged to exhaust the sand core in the core box 3; the size of the threaded hole 8 is matched with that of external processing equipment, and the external equipment can be connected by arranging the threaded hole 8; the size of the embedded groove 11 is matched with the size of the embedded block 10, the embedded groove 11 is connected with the embedded block 10 in a clamping manner, and the lower die holder 1 and the upper die holder 2 can be fixed by arranging the embedded block 10 and the embedded groove 11.

The working principle and the using flow of the utility model are as follows: when the hot core box die is used, a plurality of groups of workpieces 7 with the same interval are molded, external equipment is connected, the mixed sand is injected into a core box 3 with a heating device, a set exhaust port 72 is used for exhausting sand cores in the core box 3, two hollowed-out layers 4 are shared when two groups of die seats are connected, an embedded block 10 on a lower die seat 1 is embedded into an embedded groove 11 on an upper die seat 2, the contact area between the upper die seat 2 and the lower die seat 1 is reduced, and the die deformation is reduced; the whole structure is simple, the exhaust performance is good, and the exhaust failure phenomenon can not occur.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a low-nitrogen phenol modified heat core box resin mold, includes die holder (1), its characterized in that: the die comprises a die holder (1), a die holder (2) is arranged above the die holder (1), a core box (3) is arranged inside the die holder (2), a hollowed-out layer (4) is arranged on the die holder (2) at one time, a processing seat (5) is arranged above the die holder (2), a notch (6) is arranged on the inner side of the processing seat (5), a machined piece (7) is arranged on the notch (6) at one time, a threaded hole (8) is formed in the outer surface wall of the processing seat (5), a firm block (9) is arranged inside the die holder (1), an embedded block (10) is arranged above the firm block (9), and an embedded groove (11) is formed in the upper portion of the embedded block (10).

2. The low-nitrogen-containing phenol modified hot box resin mold according to claim 1, wherein: the sand core forming can be realized by the lower die holder (1) and the upper die holder (2), and the size of the lower die holder (1) is matched with that of the upper die holder (2).

3. The low-nitrogen-containing phenol modified hot box resin mold according to claim 1, wherein: the size of the two groups of hollowed-out layers (4) is consistent, and the lower die holder (1) and the upper die holder (2) share the hollowed-out layers (4).

4. The low-nitrogen-containing phenol modified hot box resin mold according to claim 1, wherein: the distance between each group of the machined parts (7) is consistent, and the notch (6) is fixedly connected with the machining seat (5).

5. The low-nitrogen-containing phenol modified hot box resin mold according to claim 1, wherein: the inside of the machined part (7) is provided with an interface (71), and the outer surface wall of the machined part (7) is provided with an exhaust port (72), and the exhaust port (72) penetrates through the machined part (7) and is connected with the core box (3).

6. The low-nitrogen-containing phenol modified hot box resin mold according to claim 1, wherein: the size of the threaded hole (8) is matched with external processing equipment.

7. The low-nitrogen-containing phenol modified hot box resin mold according to claim 1, wherein: the size of the embedded groove (11) is matched with the size of the embedded block (10), and the embedded groove (11) is connected with the embedded block (10) in a clamping mode.